Product Description
Overview
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Quick Details
Gearing Arrangement: Worm Brand Name: CHINAMFG
Input Speed: 1400 rpm Output Speed: 14 rpm to 186 rpm
Rated Power: 0.06 ~ 4KW Output Torque: 2.6-479N.M
Color: Blue/Silver or on request Origin: ZHangZhoug, China (Mainland)
Warranty: 1 Year Application: Industry
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Supply Ability
Supply Ability: 20000 Piece/Pieces per Month
Extra Service: OEM is welcome
QC System: ISO9001:2008
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Packaging & Delivery
Package: Wooden box/Paper carton
Port: HangZhou/ZheJiang or on request
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| TYPE | Worm Gear Speed Reducer/Worm Gearbox |
| MODEL | NMRV series size:571,030,040,050,063,075,090,110,130,150 |
| RATIO | 5,7.5,10,15,20,25,30,40,50,60,80,100 |
| COLOR | Blue(RAL5571)/Silver grey (RAL9571) or on your request |
| MATERIAL | Housing:Aluminum alloy |
| PACKING | Wooden box/Paper carton |
| BEARING | C&U |
| SEAL | SKF |
| WARRANTY | 1 Year |
| INPUT POWER | 0.09KM-15KM |
| USAGES | Foodstuffs, Ceramics, Packing, Chemicals, Pharmacy, Plastics, Paper-making, Machine-tools |
| IEC FLANGE | IEC standard flange or on request |
| LUBRICANT | Shell or Henry |
About CHINAMFG since 1984
HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.
Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.
Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | as for Request |
| Layout: | as for Request |
| Gear Shape: | Worm |
| Step: | Single-Step |
| Customization: |
Available
| Customized Request |
|---|

How do manufacturers ensure the precision of gear tooth profiles in gear reducers?
Manufacturers employ several techniques to ensure the precision of gear tooth profiles in gear reducers, which is crucial for optimal performance and efficiency:
1. Precision Machining: Gear teeth are typically machined using advanced CNC (Computer Numerical Control) machines that can achieve high levels of accuracy and repeatability. This ensures consistent gear tooth profiles across multiple components.
2. Quality Control Measures: Rigorous quality control processes, such as dimensional inspections and profile measurements, are performed at various stages of manufacturing to verify that gear tooth profiles meet the required specifications.
3. Tooth Profile Design: Engineers use specialized software and simulation tools to design gear tooth profiles with precise involute shapes and accurate dimensions. These designs are then translated into machine instructions for manufacturing.
4. Material Selection: High-quality materials with excellent wear resistance and dimensional stability are chosen to minimize the potential for deformation or inaccuracies during machining and operation.
5. Heat Treatment: Heat treatment processes, such as carburizing and quenching, are applied to enhance the surface hardness and durability of gear teeth, reducing the risk of wear and deformation over time.
6. Tooth Grinding and Finishing: After initial machining, gear teeth often undergo precision grinding and finishing processes to achieve the desired tooth profile accuracy and surface finish.
7. Post-Processing Inspection: Gear tooth profiles are inspected again after manufacturing processes to verify that the final components meet the specified tolerances and performance criteria.
8. Computer-Aided Manufacturing (CAM): CAM software is used to generate tool paths and machining instructions, enabling precise control over tool movements and material removal during gear manufacturing.
By combining these techniques and leveraging advanced manufacturing technologies, manufacturers can achieve the necessary precision in gear tooth profiles, resulting in reliable and efficient gear reducers for various industrial applications.

What maintenance practices are essential for prolonging the lifespan of gear reducers?
Proper maintenance is crucial for extending the lifespan and ensuring optimal performance of gear reducers. Here are essential maintenance practices:
- 1. Lubrication: Regular lubrication of gear reducers is vital to reduce friction, wear, and heat generation. Use the recommended lubricant and follow the manufacturer’s guidelines for lubrication intervals.
- 2. Inspection: Routinely inspect gear reducers for signs of wear, damage, or leaks. Check for unusual noises, vibrations, or temperature increases during operation.
- 3. Alignment: Ensure proper alignment of the input and output shafts. Misalignment can lead to increased wear, noise, and reduced efficiency. Align the components according to the manufacturer’s specifications.
- 4. Cooling and Ventilation: Maintain proper cooling and ventilation to prevent overheating. Ensure that cooling fans and vents are clean and unobstructed.
- 5. Seal Maintenance: Inspect and replace seals as needed to prevent contaminants from entering the gear reducer. Contaminants can lead to accelerated wear and reduced performance.
- 6. Bolts and Fasteners: Regularly check and tighten bolts and fasteners to prevent loosening during operation, which can cause misalignment or component damage.
- 7. Replacing Worn Components: Replace worn or damaged components, such as gears, bearings, and seals, with genuine parts from the manufacturer.
- 8. Vibration Analysis: Conduct periodic vibration analysis to identify potential issues early. Excessive vibration can indicate misalignment or component wear.
- 9. Maintenance Records: Keep detailed maintenance records, including lubrication schedules, inspection dates, and component replacements. This helps track the history of the gear reducer and aids in future maintenance planning.
- 10. Training: Provide proper training to maintenance personnel on gear reducer maintenance and troubleshooting techniques.
By adhering to these maintenance practices, you can maximize the lifespan of your gear reducers, minimize downtime, and ensure reliable operation in your industrial processes.

What are the benefits of using a gear reducer in industrial applications?
Gear reducers offer several benefits that make them indispensable in various industrial applications:
1. Speed Reduction: Gear reducers allow the reduction of high-speed input from motors or engines to lower, more usable output speeds for specific applications, ensuring proper equipment operation and safety.
2. Torque Increase: By leveraging the mechanical advantage of gear ratios, gear reducers can significantly increase torque output, enabling the handling of heavy loads and providing the necessary power for tasks such as lifting, conveying, and processing.
3. Precise Control: Gear reducers enable fine-tuning of rotational speed and torque, providing precise control over machinery and processes, which is crucial in industries like manufacturing, material handling, and robotics.
4. Shock Load Absorption: Gear reducers can absorb and dampen sudden shocks or changes in load, protecting both the machinery and connected components from abrupt forces that could otherwise lead to damage.
5. Versatility: With various gear types (e.g., spur, helical, worm) and designs, gear reducers can be tailored to different applications, including those requiring specific speed ratios, torque ranges, and environmental conditions.
6. Efficient Power Transmission: Gear reducers offer high mechanical efficiency, minimizing energy loss during power transmission, which is especially valuable in energy-conscious industries.
7. Compact Design: Gear reducers provide a compact solution for transmitting power and adjusting speeds, making them suitable for installations with space constraints.
8. Reliability and Longevity: Well-designed and properly maintained gear reducers can offer extended service life, contributing to reduced downtime and maintenance costs.
Overall, gear reducers enhance the performance, efficiency, and reliability of industrial equipment, making them essential components in a wide range of applications across various industries.


editor by CX 2024-02-21
China factory Custom Metal DC Motor Gear Worms Speed Reducer Worm Gear Planetary Gearbox gearbox assembly
Product Description
Product Description
| Product name | custom metal dc motor gear worms speed reducer worm gear planetary gearbox |
| Material | 1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420 2.Steel:C45(K1045), C46(K1046),C20 3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40) 4.Bronze: C51000, C52100, C54400, etc 5.Iron: 1213, 12L14,1215 6.Aluminum/ Aluminum Alloy: Al6061, Al6063 etc 7.Carbon steel: C1006,C1571,C1018,C1571,C1035K,C1045, C435#, 40CrMo, 42CrMo 8.Alloy steel: SCM435,10B21 9.Titanium and Titanium Alloy: TAD, TA1-TA8, TB2, TC1-TC10 |
| Finish | Finish:Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc. |
| Payment | 30 % deposit, 70% balance payment before shipment T/T,Paypal |
| Packing | Poly Bag, Small Box, Carton, or according to customers requirements |
| Process | NC Gear Hobbing Machines, NC Gear Shapers(Gealson, Moude), NC lathe, NC gear Shaving machines, NC gear milling, Nc gear grinding Machines and many kinds of gear related machines |
| Feature | Precision |
| Packing | Carton Packing |
Company Profile
HangZhou Dakunlun Hardware & Plastic Products Co.,Ltd. is a company engaged in Custom Products covering Custom CNC,Plastic Injection,Powder Metallurgy Parts ect. Hot Selling products include Gears,CNC Milling Parts Model Train Wheelsets Shaft,Bushing,Spacer and Brass Turning Parts ect.
Dakunlun was established in May 2006, cooperated with many enterprises at home and abroad (such as Fenda ,LG, Philips Dji and Nissan) to establish a long term friendly business relationship.Our inception is to absorb a variety of talents, improve product quality and staff quality Strict quality guarantee system and perfect management system, high-quality products after-
sales service is our foothold. Our company of “quality first, reputation first” principle, provide customers with quality and quantity of various types of products. Always uphold the “quality, integrity and pragmatic, motivated, service-oriented” business philosophy, and apply to the company’s management and operating. In face of fierce competition, our company’s system is constantly being improved, relying on science and technology, continuously improve the technology content of products sold, for society, customers and companies to create a higher market value. Dakunlun has been in good faith to create enterprises and has won a good reputation, also won the respect of our domestic counterparts.
Recent years our company has reached annual sales of as much as ¥30,000,000, Dakunlun will expand the scale of operation and steady development of corporate economic, sincerely seek partners, good faith cooperation and common developmen
Certifications
Work Shop Facility
Customer Visit
Packaging & Shipping
FAQ
1. Are you trading company or manufacturer?
We are a factory has 21 years.
2. How can i get a quotation?
Please send us information for quote: drawing,material,quantity or other requirement.We can accpet PDF,DWG,STEP file formate.If you don’t have the drawing,please send the sample to us,we can quote base on your sample too.
3. What’s your MOQ?
Depends on your specific items.
4. Do you provide samples?Is it free or extra.
Yes,but it’s not free.
5. What about the lead time for mass production?
Honestly,it depends on the order quantity.Normally,15 days to 20 days after your deposit if no tooling needed.
6. What if the part is not good?
We can guarantee good quantity.But if happened,please contact us immediately,take some pictures,we will check on the problem,and solve it asap.
7. How to deliver the good?
We deliver the products by courier company.
8. Can we get some samples before mass production?
Absolutely yes.
9. Will my drawings be safe after sending them to you?
Yes,we will keep them well and won’t release them to the third party without your permission.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | External Gear |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | Order Sample According to customer′s requirements
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| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|


editor by CX 2024-02-18
China Custom Wpa Worm Gearbox with Input Flange Worm Gear Speed Reducers manufacturer
Product Description
Wpa Worm Gearbox with Input Flange Worm Gear Speed Reducers. Helical gearbox series not only has higher transmission efficiency and loading capability than those of single-stage worm wheel transmission, but also reduces space. Moreover, under the close volume, the series can obtain higher transmission ratio and is more favorable for equipment setting. This product can be combined with various reducers to meet different requirements. S series with self-lock function
Energy Efficiency: Leveraging the advantages of high efficiency of helical gears and smooth transmission of worm gears, the reducer performs with outstanding stability and efficiency is above 90%
Loading Capacity: Available with power ranges from 0.12KW to 37KW, depending on different requirements and applications.
Installation Flexibility: All models are designed for a choice of mounting position M1-M6 specified by customers.
RICHMAN UNIVERSAL SOURCING CO LIMITED is located in HangZhou ZheJiang . With more than 20 years experience in gear transmission area, we have our owned factory and product lines. Worm reducer (WP series; RV series; VF series), screw jack reducer (WSH series) and helical gearbox (K,S,R,F series) are current mainly products. Strict and precision quality control procedure makes the final products meet demands of our customers.
We try to develop different markets, cooperate with kinds of customers, which can makes us keep moving forward, keep innovative and international vision. Richman Universal Sourcing is your best partner of transmission resolutions.
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2024-02-04
China Custom Aluminium Nmrv Motovario Worm Gear Box for Speed Reduction gearbox assembly
Product Description
Product Description
Main Materials:
1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);
2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision grinding, carburization layer’s thickness between 0.3-0.5mm.
3)Worm Wheel:wearable stannum alloy CuSn10-1
Detailed Photos
Combination Options:
Input:with input shaft, With square flange,With IEC standard input flange
Output:with torque arm, output flange, single output shaft, double output shaft, plastic cover
Worm reducers are available with diffferent combinations: NMRV+NMRV, NMRV+NRV, NMRV+PC, NMRV+UDL, NMRV+MOTORS
Exploded View:
Product Parameters
| Old Model |
New Model | Ratio | Center Distance | Power | Input Dia. | Output Dia. | Output Torque | Weight |
| RV571 | 7.5~100 | 25mm | 0.06KW~0.12KW | Φ9 | Φ11 | 21N.m | 0.7kgs | |
| RV030 | RW030 | 7.5~100 | 30mm | 0.06KW~0.25KW | Φ9(Φ11) | Φ14 | 45N.m | 1.2kgs |
| RV040 | RW040 | 7.5~100 | 40mm | 0.09KW~0.55KW | Φ9(Φ11,Φ14) | Φ18(Φ19) | 84N.m | 2.3kgs |
| RV050 | RW050 | 7.5~100 | 50mm | 0.12KW~1.5KW | Φ11(Φ14,Φ19) | Φ25(Φ24) | 160N.m | 3.5kgs |
| RV063 | RW063 | 7.5~100 | 63mm | 0.18KW~2.2KW | Φ14(Φ19,Φ24) | Φ25(Φ28) | 230N.m | 6.2kgs |
| RV075 | RW075 | 7.5~100 | 75mm | 0.25KW~4.0KW | Φ14(Φ19,Φ24,Φ28) | Φ28(Φ35) | 410N.m | 9.0kgs |
| RV090 | RW090 | 7.5~100 | 90mm | 0.37KW~4.0KW | Φ19(Φ24,Φ28) | Φ35(Φ38) | 725N.m | 13.0kgs |
| RV110 | RW110 | 7.5~100 | 110mm | 0.55KW~7.5KW | Φ19(Φ24,Φ28,Φ38) | Φ42 | 1050N.m | 35.0kgs |
| RV130 | RW130 | 7.5~100 | 130mm | 0.75KW~7.5KW | Φ24(Φ28,Φ38) | Φ45 | 1550N.m | 48.0kgs |
| RV150 | RW150 | 7.5~100 | 150mm | 2.2KW~15KW | Φ28(Φ38,Φ42) | Φ50 | 84.0kgs |
GMRV Outline Dimension:
| GMRV | A | B | C | C1 | D(H8) | E(h8) | F | G | G1 | H | H1 | I | M | N | O | P | Q | R | S | T | BL | β | b | t | V |
| 030 | 80 | 97 | 54 | 44 | 14 | 55 | 32 | 56 | 63 | 65 | 29 | 55 | 40 | 57 | 30 | 75 | 44 | 6.5 | 21 | 5.5 | M6*10(n=4) | 0° | 5 | 16.3 | 27 |
| 040 | 100 | 121.5 | 70 | 60 | 18(19) | 60 | 43 | 71 | 78 | 75 | 36.5 | 70 | 50 | 71.5 | 40 | 87 | 55 | 6.5 | 26 | 6.5 | M6*10(n=4) | 45° | 6 | 20.8(21.8) | 35 |
| 050 | 120 | 144 | 80 | 70 | 25(24) | 70 | 49 | 85 | 92 | 85 | 43.5 | 80 | 60 | 84 | 50 | 100 | 64 | 8.5 | 30 | 7 | M8*12(n=4) | 45° | 8 | 28.3(27.3) | 40 |
| 063 | 144 | 174 | 100 | 85 | 25(28) | 80 | 67 | 103 | 112 | 95 | 53 | 95 | 72 | 102 | 63 | 110 | 80 | 8.5 | 36 | 8 | M8*12(n=8) | 45° | 8 | 28.3(31.3) | 50 |
| 075 | 172 | 205 | 120 | 90 | 28(35) | 95 | 72 | 112 | 120 | 115 | 57 | 112.5 | 86 | 119 | 75 | 140 | 93 | 11 | 40 | 10 | M8*14(n=8) | 45° | 8(10) | 31.3(38.3) | 60 |
| 090 | 206 | 238 | 140 | 100 | 35(38) | 110 | 74 | 130 | 140 | 130 | 67 | 129.5 | 103 | 135 | 90 | 160 | 102 | 13 | 45 | 11 | M10*16(n=8) | 45° | 10 | 38.3(41.3) | 70 |
| 110 | 255 | 295 | 170 | 115 | 42 | 130 | – | 144 | 155 | 165 | 74 | 160 | 127.5 | 167.5 | 110 | 200 | 125 | 14 | 50 | 14 | M10*18(n=8) | 45° | 12 | 45.3 | 85 |
| 130 | 293 | 335 | 200 | 120 | 45 | 180 | – | 155 | 170 | 215 | 81 | 179 | 146.5 | 187.5 | 130 | 250 | 140 | 16 | 60 | 15 | M12*20(n=8) | 45° | 14 | 48.8 | 100 |
| 150 | 340 | 400 | 240 | 145 | 50 | 180 | – | 185 | 200 | 215 | 96 | 210 | 170 | 230 | 150 | 250 | 180 | 18 | 72.5 | 18 | M12*22(n=8) | 45° | 14 | 53.8 | 120 |
Company Profile
About CHINAMFG Transmission:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.
Our leading products is full range of RV571-150 worm reducers , also supplied GKM hypoid helical gearbox, GRC inline helical gearbox, PC units, UDL Variators and AC Motors, G3 helical gear motor.
Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.
With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.
Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia
Logistics
After Sales Service
1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.
FAQ
1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.
Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!
| Application: | Motor, Machinery, Marine, Agricultural Machinery, Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Right Angle |
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Step: | Double-Step |
| Samples: |
US$ 12/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-11-16
China Custom Customized High Quality Agriculture Gear Box Reducer Spiral Bevel Helical Speed Reduction Planetary Winch Track Wheel Slewing Drive Worm Gearbox cvt gearbox
Product Description
Product Introduction:
Planetary gear box, a very wide range of applications, initially with the motor, in addition to micro speed motor, also used in the shading industry office automation, smart home, production automation, medical equipment, financial machinery, game consoles and other fields. Such as automatic curtain, intelligent toilet, lifting system, money counting machine, advertising light box and so on.
Our casting standard is carried out in accordance with the international standards, specific standard is: ISO, DIN, AISI, ASTM, BS, JIS. And in terms of products, we support customer customization, we provide OEM services. Just send the drawings to us and we will produce according to the requirements on the drawings.
In addition, the product color can be selected by customers, such as Silver, black, white, bronze, champagne, green,gray, CHINAMFG yellow, nickel, or customized.
Product application:
Our products are widely used in many industries, such as automobile, truck, train, railway, fitness equipment, agricultural machinery, mining machinery, petroleum machinery, engineering machinery, shipbuilding, construction and other power equipment.
Specification:
| Model Number: | CY-89878-#0706-114A | Quality certification: | ISO 9001 -2015 |
| Sample lead-time: | 4 weeks | Estimated weight: | 8.9kg |
| Material: | Cast iron F12101 | Surface degree of finish: | 0.4-12.5Ra |
| Machining: | CNC turning, CNC boring and CNC milling | Package of per unit: | 45*25*30cm |
| Application: | Motor, Machinery, Marine, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction, Speed Increase |
| Layout: | Three-Ring |
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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editor by CX 2023-10-30
China Custom High Worm Wheel Speed Reducer Quality Worm Wheel Gearbox sequential gearbox
Product Description
MaHangZhou CHINAMFG Precision Machniery co.,ltd is a private enterprise, which is the largest manufacturer specializing in designing and manufacturing slewing rings in China more than 30 years. It is the unique enterprise on Stock market.
The product range is from ø100mm- ø5000mm,including more than 3000 types. The main type includes Single-row ball, Double-row ball, Single-row cross-roller, Tri-roller etc. Slewing Ring is widely used in construction machines, engineering machines, CHINAMFG machines, metallurgical machines, light industrial machines, wind generators, medical treatment CT machines etc. The product export to US, Russia, Italy, French, German, Japan, South Asian.The company has achieved GJB9001B-2009 quality management system, ISO9001:2008 quality management system, ISO14001:2004 environment management system and OHSAS18001:1999 occupational health and safety management system certification.
The National test center has more than 40 detecting and analytical instruments, like Gantry three-dimensional measuring machine, universal materials tester , shock testing machine, Comprehensive function test bench, electromagnetic vibration generator system, High and low temperature test rig and direct-reading spectrometer etc. The whole processes quality control from chemical composition of raw materials to processing precision of products has been realized
| Feature: | High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant, Steel |
|---|---|
| Step: | Multi-Step |
| Installation: | Horizontal |
| Transmission Form: | Worm |
| Type: | Single-Row Ball |
| Origin: | China |
| Samples: |
US$ 10/Piece
1 Piece(Min.Order) | |
|---|


editor by CX 2023-10-23
China Custom High Quality CZPT Planetary Gear CE; ISO9001 Motor Worm Gearbox Reducer Gmr9000 bevel gearbox
Product Description
GRH specialized in providing hydraulic components and solutions for hydraulic systems.
With continuous improvement and enthusiasm over the past 30 years, CHINAMFG has developed into an emerging power in the fluid power industry since it was established in 1986.
GRH (ZheJiang ) – International Sales Office
GRH (ZheJiang ) – Manufacturing Facility and Domestic Sales Office
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Production description
| We can produce motor according to your needs ! |
About Us
Application and Partners
Contact us!
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Expansion |
| Gear Shape: | Conical – Cylindrical Gear |
| Step: | Stepless |
| Samples: |
US$ 1050/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can gear reducers be customized for specific industrial needs and requirements?
Yes, gear reducers can be customized to meet specific industrial needs and requirements. Manufacturers offer customization options to ensure that gear reducers are tailored to the unique demands of various applications:
1. Gear Ratio Selection: Gear reducers can be designed with specific gear ratios to achieve the desired speed reduction or increase, catering to the specific requirements of the machinery or equipment.
2. Shaft Configurations: Gear reducers can be configured with different shaft sizes, lengths, and orientations to fit seamlessly into existing systems or accommodate specific mounting arrangements.
3. Torque Capacity: Customized gear reducers can be designed to handle higher or lower torque loads based on the application’s operational requirements.
4. Environmental Considerations: Gear reducers can be customized with special coatings, materials, or seals to withstand harsh environments, extreme temperatures, or corrosive conditions.
5. Noise and Vibration Reduction: Custom designs can incorporate features to reduce noise and dampen vibrations, enhancing the overall operation and user experience.
6. Mounting and Connection Options: Manufacturers can adapt gear reducer designs to include specific mounting interfaces or connection methods that align with the equipment’s design.
7. Lubrication and Maintenance: Customized gear reducers can include features for easy maintenance, such as accessible lubrication points or monitoring systems.
8. Integration with Controls: Gear reducers can be customized to integrate seamlessly with control systems, sensors, or automation processes, enhancing system efficiency and performance.
By collaborating with manufacturers and providing detailed specifications, industries can obtain tailor-made gear reducers that address their specific operational needs and contribute to the success of their applications.

What maintenance practices are essential for prolonging the lifespan of gear reducers?
Proper maintenance is crucial for extending the lifespan and ensuring optimal performance of gear reducers. Here are essential maintenance practices:
- 1. Lubrication: Regular lubrication of gear reducers is vital to reduce friction, wear, and heat generation. Use the recommended lubricant and follow the manufacturer’s guidelines for lubrication intervals.
- 2. Inspection: Routinely inspect gear reducers for signs of wear, damage, or leaks. Check for unusual noises, vibrations, or temperature increases during operation.
- 3. Alignment: Ensure proper alignment of the input and output shafts. Misalignment can lead to increased wear, noise, and reduced efficiency. Align the components according to the manufacturer’s specifications.
- 4. Cooling and Ventilation: Maintain proper cooling and ventilation to prevent overheating. Ensure that cooling fans and vents are clean and unobstructed.
- 5. Seal Maintenance: Inspect and replace seals as needed to prevent contaminants from entering the gear reducer. Contaminants can lead to accelerated wear and reduced performance.
- 6. Bolts and Fasteners: Regularly check and tighten bolts and fasteners to prevent loosening during operation, which can cause misalignment or component damage.
- 7. Replacing Worn Components: Replace worn or damaged components, such as gears, bearings, and seals, with genuine parts from the manufacturer.
- 8. Vibration Analysis: Conduct periodic vibration analysis to identify potential issues early. Excessive vibration can indicate misalignment or component wear.
- 9. Maintenance Records: Keep detailed maintenance records, including lubrication schedules, inspection dates, and component replacements. This helps track the history of the gear reducer and aids in future maintenance planning.
- 10. Training: Provide proper training to maintenance personnel on gear reducer maintenance and troubleshooting techniques.
By adhering to these maintenance practices, you can maximize the lifespan of your gear reducers, minimize downtime, and ensure reliable operation in your industrial processes.

How do gear reducers contribute to speed reduction and torque increase?
Gear reducers play a crucial role in mechanical systems by achieving speed reduction and torque increase through the principle of gear ratios. Here’s how they work:
Gear reducers consist of multiple gears with different sizes, known as gear pairs. These gears are meshed together, and their teeth interlock to transmit motion and power. The gear ratio is determined by the ratio of the number of teeth on the input gear (driver) to the number of teeth on the output gear (driven).
Speed Reduction: When a larger gear (output gear) is driven by a smaller gear (input gear), the output gear rotates at a slower speed than the input gear. This reduction in speed is proportional to the gear ratio. As a result, gear reducers are used to slow down the rotational speed of the output shaft compared to the input shaft.
Torque Increase: The interlocking teeth of gears create a mechanical advantage that allows gear reducers to increase torque output. When the input gear applies a force (torque) to the teeth, it is transmitted to the output gear with greater force due to the leverage provided by the larger diameter of the output gear. The torque increase is inversely proportional to the gear ratio and is essential for applications requiring high torque at lower speeds.
By selecting appropriate gear ratios and arranging gear pairs, gear reducers can achieve various speed reduction and torque multiplication factors, making them essential components in machinery and equipment where precise control of speed and torque is necessary.


editor by CX 2023-09-18
China Custom CZPT Nmrv63 0.75kw Worm Speed Gearbox Motor supplier
Product Description
NMRV worm gearbox motor
NMRV series worm gear reducer:
Its structure,outline and installation dimensions as well as performance are same with that of
Europe an products,they are interchangeable,and the materials and machining process are advanced internationally.The product is featured by:
1.Low noise and temperature rise.
2.High bearing capability,smooth run and long service life.
3.ompact structure,samll volume,light weight,beautiful shape and easy to install.
4.Can run continuously under server environment,and has a good reliability.
GPHQ NMRV aluminum worm gearbox motor details:
| Type | GPHQ NMRV Worm Gear Speed Reducer /gearbox motor |
| Model: | NMRV25/30/ 40/ 50/ 63/ 75/ 90/110/130/150 |
| Input Power: | 0.06KW,0.09KW,0.12KW,0.18KW,0.22KW,0.25KW,0.37KW,0.55KW,0.75KW,1.1KW,1.5KW,2.2KW,4KW,5.5KW,7.5KW ,11KW,15KW |
| IEC Flange | 56B5,56B14,63B5,63B14,71B5,71B14,80B5,80B14,90B5,90B14,100B5, 100B14,112B5,112B14 132B5,160B5 |
| Ratio | 1: 7.5,10,15,20,25,30,40,50,60,80,100 |
| Material |
Housing: Die-Cast Aluminum Alloy for rv25-rv90 , die-cast cast iron for rv110 to rv150 |
| Worm Gear-brass+cast iron | |
| Worm-20CrMn Ti with carburizing and quenching, surface harness is 56-62HRC | |
| Shaft-chromium steel-45# | |
| Color: | Blue/Silver Or others if quantity is big |
| Packing: | Carton or plywood Case |
| Guarantee time : | 1 Year except except Man-made destruction |
| Usages: | Industrial Machine: Food Stuff, Ceramics,CHEMICAL,Packing,Dyeing,Woodworking,Glass. |
| shaft: | output CZPT shaft or output hollow shaft |
FAQ
1, Q:what’s your MOQ for ac gearbox motor ?
A: 1pc is ok for each type electric gear box motor
2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed
3, Q: which payment way you can accept ?
A: TT, western union .
4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.
5, Q: how about your packing of speed reduction motor ?
A: plywood case ,if size is small ,we will pack with pallet for less 1 container
6, Q: What information should be given, if I buy electric helical geared motor from you ?
A: rated power, ratio or output speed,type ,voltage , mounting way , quantity , if more is better.
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Layout: | Right Angle |
| Hardness: | Hardened Tooth Surface |
| Step: | Single-Step |
| Ratio: | 7.5/10/15/20/25/30/40/50/60/80/100 |
| Gearbox Body: | Aluminum or Cast Iron |
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-09-08